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Xiao JB, Weng JY, Hu YY, Deng GL, Wan XJ. Feasibility and efficacy evaluation of metallic biliary stents eluting gemcitabine and cisplatin for extrahepatic cholangiocarcinoma. World J Gastroenterol 2020; 26:4589-4606. [PMID: 32884219 PMCID: PMC7445865 DOI: 10.3748/wjg.v26.i31.4589] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 06/30/2020] [Accepted: 07/30/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Effective endoscopic management is fundamental for the treatment of extrahepatic cholangiocarcinoma (ECC). However, current biliary stents that are widely used in clinical practice showed no antitumor effect. Drug-eluting stents (DESs) may achieve a combination of local chemotherapy and biliary drainage to prolong stent patency and improve prognosis.
AIM To develop novel DESs coated with gemcitabine (GEM) and cisplatin (CIS)-coloaded nanofilms that can maintain the continuous and long-term release of antitumor agents in the bile duct to inhibit tumor growth and reduce systemic toxicity.
METHODS Stents coated with different drug-eluting components were prepared by the mixed electrospinning method, with poly-L-lactide-caprolactone (PLCL) as the drug-loaded nanofiber membrane and GEM and/or CIS as the antitumor agents. Four different DESs were manufactured with four drug-loading ratios (5%, 10%, 15%, and 20%), including bare-loaded (PLCL-0), single-drug-loaded (PLCL-GEM and PLCL-CIS), and dual-drug-loaded (PLCL-GC) stents. The drug release property, antitumor activity, and biocompatibility were evaluated in vitro and in vivo to confirm the feasibility and efficacy of this novel DES for ECC.
RESULTS The in vitro drug release study showed the stable, continuous release of both GEM and CIS, which was sustained for over 30 d without an obvious initial burst, and a higher drug-loaded content induced a lower release rate. The drug-loading ratio of 10% was used for further experiments due to its ideal inhibitory efficiency and relatively low toxicity. All drug-loaded nanofilms effectively inhibited the growth of EGI-1 cells in vitro and the tumor xenografts of nude mice in vivo; in addition, the dual-loaded nanofilm (PLCL-GC) had a significantly better effect than the single-drug-loaded nanofilms (P < 0.05). No significant differences in the serological analysis (P > 0.05) or histopathological changes were observed between the single-loaded and drug-loaded nanofilms after stent placement in the normal porcine biliary tract.
CONCLUSION This novel PLCL-GEM and CIS-eluting stent maintains continuous, stable drug release locally and inhibits tumor growth effectively in vitro and in vivo. It can also be used safely in normal porcine bile ducts. We anticipate that it might be considered an alternative strategy for the palliative therapy of ECC patients.
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Affiliation(s)
- Jing-Bo Xiao
- Department of Gastroenterology and Shanghai Key Laboratory of Pancreatic Diseases, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201620, China
- Hospitalist and Internal Medicine Inpatient Department, Shanghai Jiahui International Hospital, Shanghai 200233, China
| | - Jun-Yong Weng
- Department of General Surgery, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201620, China
| | - Yang-Yang Hu
- Department of Gastroenterology and Shanghai Key Laboratory of Pancreatic Diseases, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201620, China
| | - Gui-Long Deng
- Department of General Surgery, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201620, China
| | - Xin-Jian Wan
- Department of Gastroenterology and Shanghai Key Laboratory of Pancreatic Diseases, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201620, China
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
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Cai W, Yuan Y, Ge W, Fan Y, Liu X, Wu D, Hu H. EGFR Target Therapy Combined with Gemox for Advanced Biliary Tract Cancers: a Meta-analysis based on RCTs. J Cancer 2018; 9:1476-1485. [PMID: 29721058 PMCID: PMC5929093 DOI: 10.7150/jca.23290] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Accepted: 01/19/2018] [Indexed: 12/21/2022] Open
Abstract
Background: Controversy exists regarding whether EGFR-targeted therapy combined with GEMOX (gemcitabine and oxaliplatin) provides additional benefits over GEMOX alone for biliary tract cancer patients. Therefore, this meta-analysis of randomized controlled trials (RCTs) was performed to assess the efficacy and safety of the GEMOX + EGFR-targeted regimen, and subgroup analysis was conducted to identify groups that might benefit from targeted therapy. Methods: The PubMed, Cochrane Library, and ClinicalTrials.gov registries were searched for published studies. Hazard ratios (HRs) for progression-free survival (PFS) and overall survival (OS) were pooled using a fix-effect model. Risk-ratios (RRs) were used to analyse the objective response rate (ORR) and adverse events. Results: Four RCTs were assessed. GEMOX + EGFR-targeted therapy significantly improved PFS (HR = 0.80, 95% CI 0.66-0.94, P = 0.03) and was associated with a better ORR (RR = 1.52, 95% CI 1.13-2.04, P = <0.01), whereas the TKI group achieved a better ORR in subgroup analysis. Patients with cholangiocarcinoma responded well to the GEMOX + EGFR-targeted regimen, leading to a better ORR (RR = 1.78, 95% CI 1.21-2.61, P = <0.01). Unfortunately, PFS benefits were not translated into OS benefits (HR = 0.92, 95% CI 0.75-1.08, P = 0.39). Conclusion: GEMOX + EGFR-targeted therapy is a considerable and tolerable treatment option for patients with advanced BTCs, improving both PFS and ORR but not prolonging patient survival. Patients with cholangiocarcinoma would benefit the most from EGFR-targeted therapy.
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Affiliation(s)
- Wen Cai
- Department of Medical Oncology, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China.,Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Ying Yuan
- Department of Medical Oncology, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Weiting Ge
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Yu Fan
- Cancer Institute, the Affiliated People's Hospital of Jiangsu University, Jiangsu, Zhenjiang, China
| | - Xue Liu
- Department of Medical Oncology, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Dehao Wu
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Hanguang Hu
- Department of Medical Oncology, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China.,Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
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Goto T, Sasajima J, Koizumi K, Sugiyama Y, Kawamoto T, Fujibayashi S, Moriichi K, Yamada M, Fujiya M, Kohgo Y. Primary Poorly Differentiated Squamous Cell Carcinoma of the Extrahepatic Bile Duct. Intern Med 2016; 55:1581-4. [PMID: 27301509 DOI: 10.2169/internalmedicine.55.6226] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Squamous cell carcinoma of the extrahepatic bile duct is quite rare. A 77-year-old woman with jaundice and general fatigue was referred to our hospital. Multiphase contrast-enhanced computed tomography visualized a 17-mm solid mass in the junction of the cystic and common bile ducts. The patient underwent pylorus-preserving pancreaticoduodenectomy. The pathological findings demonstrated keratin-positive poorly differentiated squamous cell carcinoma of the extrahepatic bile duct (T3N0M0, stage IIIA). Although adjuvant chemotherapy with gemcitabine was administered, the patient exhibited local recurrence at the site of anastomosis of biliojejunostomy 20 months after resection and died 32 months after resection.
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Affiliation(s)
- Takuma Goto
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Japan
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Zheng H, Yang F. Gemcitabine in treating patients with refractory or relapsed multiple myeloma. Asian Pac J Cancer Prev 2015; 15:9291-3. [PMID: 25422214 DOI: 10.7314/apjcp.2014.15.21.9291] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Patients with refractory or relapsed multiple myeloma are considered to have a very poor prognosis, and new regimens are needed to improve the outcome. Gemcitabine, a nucleoside antimetabolite, is an analog of deoxycytidine which mainly inhibits DNA synthesis through interfering with DNA chain elongation and depleting deoxynucleotide stores, resulting in gemcitabine-induced cell death. Here we performed a systemic analysis to evaluate gemcitabine based chemotherapy as salvage treatment for patients with refractory and relapsed multiple myeloma. METHODS Clinical studies evaluating the impact of gemcitabine based regimens on response and safety for patients with refractory and relapsed multiple myeloma were identified by using a predefined search strategy. Pooled response rate (RR) of treatment were calculated. RESULTS In gemcitabine based regimens, 3 clinical studies which including 57 patients with refractory and relapsed multiple myeloma were considered eligible for inclusion. Systemic analysis suggested that, in all patients, pooled RR was 15.7% (9/57) in gemcitabine based regimens. Major adverse effects were hematologic toxicity, including grade 3 or 4 anemia, leucopenia and thrombocytopenia i. No treatment related death occurred with gemcitabine based treatment. CONCLUSION This systemic analysis suggests that gemcitabine based regimens are associated with mild activity with good tolerability in treating patients with refractory or relapsed multiple myeloma.
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Affiliation(s)
- Hua Zheng
- Department of Orthopedics, Yongchuan Hospital, Chongqing Medical University, Chongqing, China E-mail :
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Akca Z, Mutlu H, Erden A, Buyukcelik A, Cihan YB, Goksu SS, Aslan T, Sezer EY, Inal A. Survival analysis of biliary tract cancer cases in Turkey. Asian Pac J Cancer Prev 2014; 15:6025-7. [PMID: 25124568 DOI: 10.7314/apjcp.2014.15.15.6025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Because of the relative rarity of biliary tract cancers (BTCs), defining long term survival results is difficult. In the present study, we aimed to evaluate the survival of a series of cases in Turkey. MATERIALS AND METHODS A totally of 47 patients with billiary tract cancer from Mersin Goverment Hospital, Acibadem Kayseri Hospital and Kayseri Training and Research Hospital were analyzed retrospectively using hospital records between 2006-2012. RESULTS The median overall survival was 19.3±3.9 months for all patients. The median disease free and overall survivals were 24.3±5.3 and 44.1±12.9 months in patients in which radical surgery was performed , but in those with with inoperable disease they were only 5.3±1.5 and 10.7±3.2 months, respectively. CONCLUSIONS BTCs have a poor prognosis. Surgery with a microscopic negative margin is still the only curative treatment.
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Affiliation(s)
- Zeki Akca
- Department, Radiation Oncology, Mersin Goverment Hospital, Mersin, Turkey E-mail :
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